
\begin{tabular}{lcccc}
   \toprule
                      & Rad. Nat. (Avg) & PNV (Avg)     & PP (Avg)        & PSOE (Avg)\\
                      & (1)             & (2)           & (3)             & (4)\\
   \midrule 
   Signal strength    & 0.1116$^{***}$  & -0.0896       & -0.0705$^{***}$ & -0.0067\\
                      & (0.0333)        & (0.0576)      & (0.0265)        & (0.0184)\\
                      &                 &               &                 &  \\
   Observations       & 228             & 228           & 228             & 228\\
   R$^2$              & 0.56471         & 0.63745       & 0.71887         & 0.66904\\
   Within R$^2$       & 0.33592         & 0.42855       & 0.33506         & 0.65097\\
                      &                 &               &                 &  \\
   prov fixed effects & $\checkmark$   & $\checkmark$ & $\checkmark$   & $\checkmark$\\
   \bottomrule
\end{tabular}


